Introduction of straight seam steel pipe forming process
Common seamless steel pipe standard
ASTM A53 line pipe is a line pipe that belongs to the American Petroleum Standard.
Structural seamless steel pipe is used for manufacturing pipes, containers, equipment, pipe fittings and mechanical structure seamless steel pipe.
Thick-walled steel pipe, refers to steel pipe with a ratio of the outer diameter of the steel pipe to the wall thickness of less than 20.
American Standard Seamless Steel Pipe Executive Standard
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